:How might the mandate of heaven and dynastic cycle make it difficult for China
to haye a stable government

Based on this graph, it is reasonable to assume that by 1930 the percentage of the population with the right to vote was

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

Iwould appreciate it if someone can answer all the questions